新概念英语第二册86课PPT概要1.ppt

In less than a minutes, it________ past them only a few feet away. After it ________, they ________ on as quickly as they could because they _______ that the boat would soon return. They just ________enough time to swim out of danger when the boat again ________ a circle. On this occasion, however, it _________down considerably. The petrol nearly all ___________up. Before long, the noise ________ completely and the boat ________ to drift gently across the water. roared had passed swam knew had had completed had slowed had been used dropped began 1．Out of control，（标题）失控。 介词短语out of可以表示“失去”、“欠缺”等： We are out of bread. 托尼走得很快，不久就无影无踪了。 Tony walked so fast that he was soon out of sight. 他失业两个月了。 He has been out of work for two months. 飞机失控后在山区坠毁。 The plane got out of control and crashed in the mountains. 2．Both men had hardly had time to realize what was happening when they were thrown violently into the sea. 他们两个还没来得及意识到究竟发生了什么事情，就被猛地抛入了海里。 hardly…when…表示“几乎未来得及……就……”，hardly用于主句中，并且主句通常用过去完成时。 3．they swam on as quickly as they could, 他们以最快的速度向前游去。 On副词， “向前”： Walk on along this road for ten minutes and youll see the railway station. 沿着这条路向前走10分钟你就会看见火车站。 I think he saw me, but he just marched on. 我觉得他看见了我，但他却径直往前走了。 4．They had just had enough time to swim out of danger when the boat again completed a circle. 他们刚刚来得及游出危险区，快艇就又转了一圈。 just…when连用时常用于过去完成时：no sooner…than; hardly…when; scarcely…when Jim had just left when you rang. The patient had just died when the doctor arrived. 医生来时病人刚死。 5．The petrol had nearly all been used up. 汽油几乎已经用光。 use up “用完”、“用光”、“耗尽”： They have just bought a house and a car. They must have used up all their money. 他们刚买了一所房子和一辆车。他们的钱肯定都用光了。 up表示“彻底地”、“完全地”，它也可以与其他一些动词连用： The child soon ate up the cake. 孩子很快把蛋糕吃完了。 She burned up all his letters. 她把他的信都烧掉了。 Can you read up the book in two hours? 你用两小时就能把这书读完吗？ 6．Before long, the noise dropped completely… 没过多久，噪音便彻底消失…… drop不及物动词， “减少”、“变弱”或“消失”： When he saw that M